In this decade, the crimes are surprisingly increasing over the web, and many users are becoming hunt of cyber attackers every day. Your device must have a reliable security program to defend any unexpected internet attack. Most of the popular antiviruses are capable of protecting and alerting you for a security threat. Some antiviruses are capable of killing viruses such as Trojans, adware, spyware, ransomware, and malware. The problem with using an antivirus is that they eat a lot of RAM and CPU usage on your computer. The situation becomes even worse when your computer has a lower specification. A heavy antivirus can protect your PC well, but it will put up considerable load on your device, resulting in slowing down the overall performance.